Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc khoi cua snippets" » "luc khoi code snippets", "buoc khoi cua snippets", "cuoc khoi cua snippets", "phuc khoi cua snippets", "luc hoi cua snippets", "luc khi cua snippets", "luc kho cua 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 khoi 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 khoi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luc khoi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc khoi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.