Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi dai hoi snippets" » "phi dai code snippets", "thi dai hoi snippets", "phi tai hoi snippets", "khi dai hoi snippets", "phi dai hoc snippets", "phi dai hai snippets", "phi dai moi 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: (((("phi dai 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: (((("phi dai hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi dai hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi dai hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.