Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc cham voi snippets" » "hoc cham code snippets", "toc cham voi snippets", "hoc chat voi snippets", "hoc chan voi snippets", "hoc cham hoi snippets", "hoc pham voi snippets", "hoc 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: (((("hoc 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: (((("hoc cham voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc cham voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc cham voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.