Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham do van slippers" » "thai do van slippers", "pham do van slippers", "tham du van slippers", "tham dao van slippers", "tham vo van slippers", "tham so van slippers", "tham do van slippery", "tham do van 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: (((("tham do van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tham do van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham do van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham do van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.