Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ngu co snippets" » "thi nhu co snippets", "thi nga co snippets", "thi ngo co snippets", "thi ngu ca snippets", "thi ngu c snippets", "thi ngu so 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: (((("thi ngu 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: (((("thi ngu co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ngu co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ngu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.