Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin do canh snippets" » "tin doi canh snippets", "tin do sanh snippets", "tin do danh snippets", "tien do canh snippets", "tin don canh snippets", "tinh do 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 do 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 do canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin do canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin do canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.