Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
tan hanh » tan thanh, tang hanh, toan hanh
hanh hai » thanh hai, nhanh hai, hang hai
cua thep » cua tiep, cua thiet, cot thep
sac kho » suc khoe, cac khoi, dac khoa
tang xa » trang xa, tang ma, lang xa
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
su sac » su sach, su cac, su xac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac kho tang xa hoi. hieu van cam duc tan hanh hai ((((cua thep) or (cua te))) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac kho tang xa hoi. hieu van cam duc tan hanh hai ((((cua thep) OR (cua te))) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su sac kho tang xa hoi. hieu van cam duc tan hanh hai ((((cua thep) or (cua te))) or (cua triet))*.