Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"may tri hoc snippets" » "may tai hoc snippets", "may thi hoc snippets", "may tre hoc snippets", "may triet hoc snippets", "may tri thuc snippets", "may thai hoc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("may tri hoc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("may tri hoc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
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