Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van cuc do snippets" » "van cuc code snippets", "van duc do snippets", "van luc do snippets", "van cu do snippets", "van cuc du snippets", "van muc do snippets", "van cuoc doi 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: (((("van cuc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van cuc do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van cuc do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cuc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.