Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu thu moi snippets" » "thu thuy moi snippets", "thue thu moi snippets", "thu thuc moi snippets", "thu thi moi snippets", "thu tho moi snippets", "thu thu 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: (((("thu thu moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu thu moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu thu moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu thu moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.