Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai anh cua snippets" » "dai danh cua snippets", "dat anh cua snippets", "mai anh cua snippets", "dai manh cua snippets", "dai hanh cua snippets", "dai canh 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 anh 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 anh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai anh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai anh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.