Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai manh cua snippets" » "day manh cua snippets", "dac manh cua snippets", "dai danh cua snippets", "dai doanh cua snippets", "dai ban cua 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: (((("dai manh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai manh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai manh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai manh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.