Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van thong so snippets" » "van thuong so snippets", "van phong so snippets", "va thong so snippets", "van thong su snippets", "van thong o snippets", "van tuong so snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 java snippets") or ("van thong so snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van thong so snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van thong so snippets"))) or ("locating bug code snippets"))*.