Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"yang danh do snippets" » "yang danh code snippets", "dang dinh do snippets", "tang dan do snippets", "van danh do snippets", "yang dang do snippets", "yang danh co snippets", "yang danh di 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: (((("yang danh 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: (((("yang danh do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( yang danh do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang danh do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.