Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau van canh snippets" » "cau van anh snippets", "cau van hanh snippets", "cau van manh snippets", "chau van canh snippets", "cuu van canh snippets", "cac van canh 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: (((("cau van canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau van canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau van canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau van canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.