Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi thuan do snippets" » "thi than do snippets", "thi thuong do snippets", "thi thu do snippets", "thi thuat do snippets", "thi chuan do snippets", "thi tuan 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: (((("thi thuan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi thuan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi thuan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thuan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.