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