Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao lieu va slippers" » "ho lieu va slippers", "vat lieu va slippers", "tai lieu va slippers", "hao lieu va slippery", "hao lieu va grippers"
"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: (((("hao lieu va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao lieu va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao lieu va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao lieu va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.