Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy va cham snippets" » "huy va chat snippets", "huy va tham snippets", "hay va cham snippets", "tuy va cham snippets", "thuy van cham 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: (((("huy va cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy va cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy va cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy va cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.