Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang tao hon snippets" » "hang tai hon snippets", "sang tam hon snippets", "sang tao con snippets", "sang tao hoi 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: (((("sang tao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang tao hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang tao hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang tao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.