Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
can ky » van ky, dan ky, ban ky
ma hoi » mai hoi, xa hoi, ma hoa
su can » su van, su cao, tu can

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su can ky nang ma hoi. hieu ((van chat) OR (cao chat)) xuc ((va hanh) or (va danh)) thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su can ky nang ma hoi. hieu ((van chat) OR (cao chat)) xuc ((va hanh) OR (va danh)) thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su can ky nang ma hoi. hieu ((van chat) OR (cao chat)) xuc ((va hanh) or (va danh)) thai cua tre".
• Adding a wildcard symbol may retrieve word variants: su can ky nang ma hoi. hieu ((van chat) OR (cao chat)) xuc ((va hanh) or (va danh)) thai cua tre*.