Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham de bo snippets" » "tham do bo snippets", "tham du bo snippets", "thai den bo snippets", "tham de bao snippets", "tham de 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: (((("tham de bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tham de bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham de bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham de bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.