Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin vao canh snippets" » "tin van canh snippets", "tin tao canh snippets", "tin ve canh snippets", "tin va canh snippets", "tien 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: (((("tin vao 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: (((("tin vao canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin vao canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin vao canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.