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