Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kho cua toc snippets" » "kho cua code snippets", "khi cua toc snippets", "tho cua toc snippets", "thao cua toc snippets", "kho cua hoc snippets", "kho cua toi snippets", "kho cua tuc 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: (((("kho cua toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho cua toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kho cua toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho cua toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.