Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chon vi tu snippets" » "chon voi tu snippets", "chon va tu snippets", "chon vu tu snippets", "cho vi tu snippets", "con vi tu snippets", "cuon vi tu snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon vi tu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( chon vi tu snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("chon vi tu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.