Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa
duc manh » suc manh, duc anh, duc minh
cuu tre » cua tre, cau tren, cau treo
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
su xac » pu xac
su cac » tu cac, su cao, su can
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su xac) or (su cac)) ky tang xa hoi. hieu ve cam duc manh ((thanh hai) or (thanh san)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su xac) OR (su cac)) ky tang xa hoi. hieu ve cam duc manh ((thanh hai) OR (thanh san)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((su xac) or (su cac)) ky tang xa hoi. hieu ve cam duc manh ((thanh hai) or (thanh san)) cuu tre*.