Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi thu ngan snippets" » "phi tu ngan snippets", "phi tai ngan snippets", "phi vu ngan snippets", "phai thu ngan snippets", "thi thu ngan snippets", "phi thi ngan snippets"

Try widening your search to All Fields.

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