Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh hai » thanh hai, nhanh hai, hang hai
kho tang » cao tang
ban hanh » ban hang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, dua tren
cam duc » cam xuc, cao duc, nam duoc
sac kho » suc khoe, cac khoi, dac khoa
su sac » su sach, su cac, su xac

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 ve ((cam duc) or (pham duc)) ban hanh hai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac kho tang xa hoi. hieu ve ((cam duc) OR (pham duc)) ban hanh hai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su sac kho tang xa hoi. hieu ve ((cam duc) or (pham duc)) ban hanh hai ((cua tre) or (cua triet))*.