Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bim sang cho snippets" » "lam sang cho snippets", "bim son cho snippets", "bap sang cho snippets", "bim danh cho snippets", "bim dung cho snippets", "bim 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: (((("bim 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: (((("bim sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bim sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bim sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.