Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi lan bo snippets" » "thi hanh bo snippets", "thi nang bo snippets", "thi lien bo snippets", "thi can bo snippets", "thi ban bo snippets", "thi lan o 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 lan bo 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 lan bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi lan bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi lan bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.