Perhaps you should try some spelling variations:
hieu quan » lieu quan, thien quan, lien quan
khanh vai » khanh van, hanh vi, hanh va
nam truc » nam truoc, nam thuc, nam trung
xa khanh » xa thanh, van khanh, dat khanh
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
truc xa » tuc xa, truc va, truoc xay
vai cua » dai cua, hai cua, lai cua
y lang » o lang, _ lang, tay lang
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: su sach y lang xa hoi. ((hieu quan) or (hieu qua)) nam truc xa khanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y lang xa hoi. ((hieu quan) OR (hieu qua)) nam truc xa khanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: su sach y lang xa hoi. ((hieu quan) or (hieu qua)) nam truc xa khanh vai cua te*.