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"
"lon anh van snippets" » "lon hanh van snippets", "lan anh van snippets", "lon thanh van snippets", "lon anh va snippets", "lon doanh van snippets", "lon anh van slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lon anh 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: (((("lon anh van snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
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