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