Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han san cau snippets" » "hanh san cau snippets", "hai san cau snippets", "tan san cau snippets", "han van cau snippets", "han ban cau snippets", "han can cau 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: (((("han san cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han san cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han san cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han san cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.