Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham bat moi snippets" » "pham bao moi snippets", "pham ba moi snippets", "thac bao moi snippets", "tham ban moi snippets", "tham bat loi snippets", "tham vat moi 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 bat 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: (((("tham bat moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham bat moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham bat moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.