Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh dao cau snippets" » "lanh dao cau snippets", "hanh dao cau snippets", "anh dat cau snippets", "anh da cau snippets", "anh tao cau 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 dao 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: (((("anh dao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh dao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh dao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.