Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai viet du snippets" » "mai viet du snippets", "tai viet du snippets", "bac viet du snippets", "bai viet duc snippets", "bai viet duy snippets", "bai viet tu 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 ("bai viet du snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("bai viet du snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( bai viet du snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("bai viet du snippets"))) or ("locating bug code snippets"))*.