Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi thien do snippets" » "thi hien do snippets", "thi chien do snippets", "thua thien do snippets", "thi tien do snippets", "thi thien mo snippets", "thi trien 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 thien 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 thien do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi thien do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thien do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.