Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gui thi hoan snippets" » "gui thi hoa snippets", "gui thi hanh snippets", "gui thi hong snippets", "bui thi hoan snippets", "gui thu hoan snippets", "bui thai hoan 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: (((("gui thi hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gui thi hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gui thi hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gui thi hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.