Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"con cham voi snippets" » "con cham code snippets", "co cham voi snippets", "con chim voi snippets", "cong chat voi snippets", "con cham hoi snippets", "con pham voi snippets", "con cham soc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("con cham voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con cham voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( con cham voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con cham voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.