Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"hai thu van snippets" » "hoai thu van snippets", "hai thuy van snippets", "phai thu van snippets", "hai thuc van snippets", "hai tu van snippets", "hai thu van 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: (((("hai thu van snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai thu van snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("hai thu van snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.