Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug code slippers", "lochating bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"choi tu thu snippets" » "hoi tu thu snippets", "cho tu thu snippets", "chon tu thu snippets", "choi tu tu snippets", "choi vu thu snippets", "choi tieu thu snippets", "choi tu thu slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("choi tu thu snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi tu thu snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi tu thu snippets ) or ( python using java snippets ))) or ( lochating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi tu thu snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.