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