Perhaps you should try some spelling variations:
dang mat » dang vat, dang mau, dung mat
dua tren » dung tren
quoc bao » quoc oai, hoc bao, quoc va
ky dang » ky nang, ky danh
mat hoi » mai hoi, sat hoi, mat troi
hieu va » lieu va, hieu qua
duc ban » duc tan, duc van, dua ban
te sac » te sach, te cac, te san
va cam » va cham, va cac, va cao
sac ky » cac ky, sai ky
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: te sac ky dang mat hoi. hieu va cam ((duc ban) or (quoc bao)) thanh san ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang mat hoi. hieu va cam ((duc ban) OR (quoc bao)) thanh san ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sac ky dang mat hoi. hieu va cam ((duc ban) or (quoc bao)) thanh san ((dua tren) or (cua te))*.