Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long va chua snippets" » "luong va chua snippets", "long van chua snippets", "blong va chua snippets", "long vua chua snippets", "long ca chua snippets", "long va chu 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: (((("long va chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long va chua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long va chua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long va chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.