Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cham hoi deu snippets" » "cham hoi code snippets", "cham voi deu snippets", "cham h'roi deu snippets", "pham hoai deu snippets", "cham doi deu snippets", "cham hoi den snippets", "cham phoi dieu 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 ("cham hoi deu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cham hoi deu snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cham hoi deu snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cham hoi deu snippets"))) or ("locating bug core snippets"))*.