Perhaps you should try some spelling variations:
kho tang » cao tang
quoc ban » quoc bao, quoc lan, quoc quan
danh hai » dang hai, lanh hai, manh hai
thu sac » thu sach, thu san, thu xac
sac kho » suc khoe, cac khoi, dac khoa
tang xa » trang xa, tang ma, lang xa
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
va lam » van lam, va lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac kho tang xa hoi. lieu va lam ((quoc ban) or (duc tan)) danh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac kho tang xa hoi. lieu va lam ((quoc ban) OR (duc tan)) danh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sac kho tang xa hoi. lieu va lam ((quoc ban) or (duc tan)) danh hai cua tre*.