Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri co dong snippets" » "tri o dong snippets", "tri cong dong snippets", "tri lao dong snippets", "tai co dong snippets", "trinh co dong 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 co dong 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 co dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri co dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri co dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.