Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van khang o2 snippets" » "van khang code snippets", "van khanh o2 snippets", "van thanh o2 snippets", "van quang o2 snippets", "van hang o2 snippets", "van khang voi snippets", "van khang a snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using data snippets") or ("van khang o2 snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("van khang o2 snippets"))) OR ("locating bug core snippets")).
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