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