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