Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong son ve snippets" » "dong son code snippets", "dong von ve snippets", "dong san ve snippets", "hoang son ve snippets", "dong son le snippets", "dong son va snippets", "dong lon ve 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: (((("dong son ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong son ve snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong son ve snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong son ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.