Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bot sang cho snippets" » "bot san cho snippets", "buoi sang cho snippets", "buoc sang cho snippets", "bot danh cho snippets", "bot dung cho snippets", "bot sang tao 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: (((("bot sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bot sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bot sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bot sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.