Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than lieu co snippets" » "thanh lieu co snippets", "than dieu co snippets", "thanh liem co snippets", "than lieu so snippets", "than lieu cong snippets", "than lieu hoc 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: (((("than lieu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than lieu co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than lieu co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than lieu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.