Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc dua chat snippets" » "hoc dia chat snippets", "hoc du chat snippets", "hoc duoc chat snippets", "hoc cua chat snippets", "hoc duc chat snippets", "hoc lua chat 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: (((("hoc dua chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc dua chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc dua chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc dua chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.