Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau thi ca snippets" » "cau thi ca snippets", "chu thi ca snippets", "chau phi ca snippets", "chau thi cam snippets", "chau thi cua snippets", "chau thi cai 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: (((("chau thi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chau thi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau thi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau thi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.