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"
"than hoc 11 snippets" » "toan hoc 11 snippets", "thai hoc 11 snippets", "than doc 11 snippets", "than hoc 10 snippets", "than hoc 1871 snippets", "than hoc 11 slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("than hoc 11 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than hoc 11 snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
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