Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc hanh ve snippets" » "phuc thanh ve snippets", "phuc khanh ve snippets", "thuc hanh ve snippets", "phuc hanh vi snippets", "phuc hanh va snippets", "phuc hanh kem 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: (((("phuc hanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc hanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc hanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc hanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.