Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoan do snippets" » "thi hoa do snippets", "thi hanh do snippets", "thi hong do snippets", "thi hoan doi snippets", "thi doan do snippets", "thi toan do 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 ("thi hoan do snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi hoan do snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi hoan do snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi hoan do snippets"))) or ("locating bug code snippets"))*.