Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"shan lu hoat snippets" » "shan li hoat snippets", "nhan luc hoat snippets", "than luc hoat snippets", "shan ly hoat snippets", "shan su hoat snippets", "shan vu hoat 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: (((("shan lu hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("shan lu hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( shan lu hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("shan lu hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.