Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai dich cac snippets" » "mai dich cac snippets", "van dich cac snippets", "va dich cac snippets", "dai tich cac snippets", "dai dinh cac snippets", "dai dich can 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: (((("dai dich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai dich cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai dich cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai dich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.