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