Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi phap hoi snippets" » "thi phap code snippets", "theo phap hoi snippets", "thi hai hoi snippets", "thi ha hoi snippets", "thi phap hoc snippets", "thi phap boi snippets", "thi phap hoa 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: (((("thi phap 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: (((("thi phap hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("thi phap hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.