Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong can ho snippets" » "hong van ho snippets", "hong yan ho snippets", "hong ban ho snippets", "hong can tho snippets", "hong can bo 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 can ho 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 can ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong can ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong can ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.