Perhaps you should try some spelling variations:
xach tay » canh tay
ben cua » benh cua, ban cua, gen cua
yen cua » gen cua, men cua, duyen cua
va danh » va dinh, va dan, va hanh
cac tac » cac toc, cac bac, cac dac
hieu va » lieu va, hieu qua
cao hoi » cau hoi, co hoi, cao hoc
sach tu » sach thu, cach tu, sach ty
tac va » tac da, tac xa, tuc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((xach tay) OR (sach tu)) nang cao hoi. hieu va cac tac va danh ((yen cua) OR (ben cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((xach tay) or (sach tu)) nang cao hoi. hieu va cac tac va danh ((yen cua) OR (ben cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: te ((xach tay) or (sach tu)) nang cao hoi. hieu va cac tac va danh ((yen cua) OR (ben cua)) tre*.