Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc dinh chi snippets" » "do dinh chi snippets", "doc tinh chi snippets", "doi dinh chi snippets", "doc dinh thi snippets", "doc dinh tri snippets", "doc dinh moi 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: (((("doc dinh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc dinh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc dinh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc dinh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.