Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"triet li cau snippets" » "triet ly cau snippets", "trieu lit cau snippets", "triet loi cau snippets", "triet li ca snippets", "triet le 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: (((("triet li 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: (((("triet li cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( triet li cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("triet li cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.