Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc tinh cua snippets" » "luc tinh code snippets", "loc tinh cua snippets", "lac tinh cua snippets", "luc binh cua snippets", "luc trinh cua snippets", "luc sinh cua snippets", "luc tinh chat 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: (((("luc tinh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc tinh cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luc tinh cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc tinh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.