Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"wei tang van snippets" » "wei tan van snippets", "wei zhang van snippets", "le tang van snippets", "wei dang van snippets", "wei hoang van snippets", "wei trong van snippets"

Try widening your search to All Fields.

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