Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
dong dat » dong vat, dung dat, dong ha
cuu tre » cua tre, cau tren, cau treo
dat cuu » dat cau, dat cua
ha dong » hoat dong, van dong
hieu vu » hieu va, hieu ve, dieu vu
truc ha » truc nha, truc hoa, truc va
hieu su » hieu sau, tieu su, hieu so
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang ((ma hoi) or (xa hoi)). ((hieu vu) or (hieu su)) cham truc ha dong dat cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ((ma hoi) OR (xa hoi)). ((hieu vu) OR (hieu su)) cham truc ha dong dat cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ((ma hoi) or (xa hoi)). ((hieu vu) or (hieu su)) cham truc ha dong dat cuu tre*.