vs code find set marker code example

Example 1: multiple word select in vs code

//Selects the word at the cursor, or the next occurrence of the current selection.
Ctrl+D 

//To add cursors to all the occurrences of a highlighted word 
Ctrl+Shift+L 
//Then select all occurrences of that word

Example 2: collapse vscode key

ctrl + 0  to 9  : "to collaapsse level" 
ctrl + j  : "to Fold all"