Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chap kinh da snippets" » "nhap kinh da snippets", "cap kinh da snippets", "than kinh da snippets", "chap kinh dao snippets", "chap tinh da snippets", "chap kinh do 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: (((("chap kinh 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: (((("chap kinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chap kinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chap kinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.