Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan kiem du snippets" » "toan kiem du snippets", "hoang kim du snippets", "van kiem du snippets", "hoan diem du snippets", "hoan hiem du snippets", "hoan kiem thu 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: (((("hoan kiem du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan kiem du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan kiem du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan kiem du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.