Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi lieu voi snippets" » "duoc lieu voi snippets", "doi chieu voi snippets", "du lieu voi snippets", "doi lieu boi snippets", "doi lieu va snippets", "doi lieu hoc 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: (((("doi lieu voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi lieu voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi lieu voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi lieu voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.