Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hiem he doi snippets" » "hiem xe doi snippets", "hieu he doi snippets", "thien he doi snippets", "hiem he dai snippets", "hiem te doi snippets", "hiem he moi 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: (((("hiem he 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: (((("hiem he doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hiem he doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hiem he doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.