Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"haz gian cua snippets" » "hau giang cua snippets", "dan gian cua snippets", "ha giang cua snippets", "haz gian xu snippets", "haz ban cua 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: (((("haz gian cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("haz gian cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( haz gian cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("haz gian cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.