Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi lieu voi snippets" » "doi lieu code 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"
"python using java snippets" » "python using data 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 core 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 core snippets")).
• Removing quotes may allow a broader search: (((( doi lieu voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi lieu voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.