Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi chap hoi snippets" » "thi phap hoi snippets", "thi cham hoi snippets", "thi cap hoi snippets", "thi chai thoi snippets", "thi cau hoi 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 chap hoi 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 chap hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi chap hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi chap hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.