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