Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh keo cua snippets" » "banh keo cua snippets", "anh khoa cua snippets", "hanh kem cua snippets", "anh keo sua snippets", "anh kho cua snippets", "anh cheo 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: (((("anh keo 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: (((("anh keo cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh keo cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh keo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.