Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thay doi van snippets" » "thay do van snippets", "thay doi va snippets", "thay doi ban snippets", "tay doi van snippets", "than doi van snippets", "thai doi van 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: (((("thay doi van snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thay doi van snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("thay doi van snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.