Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy bich cau snippets" » "huy bach cau snippets", "huy binh cau snippets", "thuy binh cau snippets", "huy tich cau snippets", "huy lich chau 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: (((("huy bich cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy bich cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy bich cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy bich cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.