Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug code slippers", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"do duy trac snippets" » "do quy tac snippets", "do huy tran snippets", "do duy tri snippets", "do duy trac slippers"

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: (((("do duy trac snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do duy trac snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( do duy trac snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do duy trac snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.