Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi chuan co snippets" » "thi thuan co snippets", "thi xuan co snippets", "thi hoan co snippets", "thi chua co snippets", "thi chuan do snippets", "thi khuan co 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: (((("thi chuan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi chuan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi chuan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi chuan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.