Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap chon do snippets" » "tap cho do snippets", "tac chong do snippets", "tap hop do snippets", "tap chong doc snippets", "tap chon loc snippets", "tap chon dia 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: (((("tap chon 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: (((("tap chon do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap chon do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap chon do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.