Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian van toi snippets" » "gian van code snippets", "giang van toi snippets", "gian dan toi snippets", "gian lan toi snippets", "gian van tai snippets", "gian van thi snippets", "gian van toan 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: (((("python using java snippets") or ("gian van toi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("gian van toi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( gian van toi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("gian van toi snippets"))) or ("locating bug core snippets"))*.