Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cham so cau snippets" » "cham so code snippets", "cham soc cau snippets", "cham o cau snippets", "ham so cau snippets", "cham so cap snippets", "cham bo cau snippets", "cham co cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cham so cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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