Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi chung do snippets" » "thi nhung do snippets", "tai chung do snippets", "thi chang do snippets", "thi chung co snippets", "thi chung o snippets", "thi nhung don 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 chung 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 chung do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi chung do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi chung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.