Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chap phap co snippets" » "phap phat co snippets", "phap phan co snippets", "cua phap co snippets", "chap phap cho snippets", "chap phap coc snippets", "chap phap mo 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 phap co 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 phap co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chap phap co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chap phap co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.