Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don phap chu snippets" » "mon phap chu snippets", "danh phap chu snippets", "dinh phap chu snippets", "don phap chua snippets", "don phap chuc snippets", "don phap che 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: (((("don phap chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don phap chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don phap chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don phap chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.