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