Perhaps you should try some spelling variations:
van dung » van dong, xay dung, tin dung
cam thu » nam thu, cac thu, ca thu
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
dung co » dung cho, dung cong, dung cua
do sai » do dai, do hai, do mai
cua te » cua tu
sai ky » sac ky
nam tu » nam thu, nam thuc
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: do sai ky dang ha hoi. hieu ve ((nam tu) or (cam thu)) van dung co ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: do sai ky dang ha hoi. hieu ve ((nam tu) OR (cam thu)) van dung co ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: do sai ky dang ha hoi. hieu ve ((nam tu) or (cam thu)) van dung co ((cua tre) or (cua te))*.