Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tien do snippets" » "dong tien code snippets", "duong tien do snippets", "dong tin do snippets", "dong dien do snippets", "dong tien bo snippets", "dong bien do snippets", "dong tien dong 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 ("dong tien do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dong tien do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong tien do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong tien do snippets"))) or ("locating bug core snippets"))*.