Perhaps you should try some spelling variations:
hieu quan » lieu quan, thien quan, lien quan
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
luu tre » luu tru, cuu tre, luy tre
lang ha » long ha
lang xa » dang xay, lang van
sac ky » cac ky, sai ky
vi luu » vi lua
te sac » te sach, te cac, te san
nuoc » quoc, duoc, ngoc

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 ((lang xa) or (lang ha)) hoi. ((hieu quan) or (hieu qua)) nha nuoc va danh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((lang xa) OR (lang ha)) hoi. ((hieu quan) OR (hieu qua)) nha nuoc va danh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((lang xa) or (lang ha)) hoi. ((hieu quan) or (hieu qua)) nha nuoc va danh vi luu tre*.