Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"when can tre snippets" » "he can tre snippets", "khen ca tre snippets", "vien can tre snippets", "when ban tre snippets", "when van tren snippets", "when dan tren 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: (((("when can tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("when can tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( when can tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("when can tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.