Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau vong doi snippets" » "hau vuong doi snippets", "hau bong doi snippets", "hau vung doi snippets", "hau trong doi snippets", "hau huong doi snippets", "hau dung doi 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: (((("hau vong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hau vong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau vong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau vong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.