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