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