Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat han cho snippets" » "hat nhan cho snippets", "hat dan cho snippets", "hat van cho snippets", "hat hang cho snippets", "hat han che snippets", "hat san cho 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: (((("hat han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.