Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"tao hoc trinh snippets" » "tao doc trinh snippets", "tao hoc tinh snippets", "tao hoc sinh snippets", "thao hoc trinh snippets", "cao hoc trinh snippets", "bao hoc trinh snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tao hoc trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao hoc trinh snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("tao hoc trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.