Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kieu tinh da snippets" » "lieu tinh da snippets", "trieu tinh da snippets", "diep tinh da snippets", "kieu tinh va snippets", "kieu tinh gia snippets", "kieu tinh lao 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: (((("kieu tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kieu tinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kieu tinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kieu tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.