Perhaps you should try some spelling variations:
xach tay » canh tay
quang xa » quang ma, quang va, quang xuan
tu xach » tu cach, tu hach, tu sach
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
cau hoc » cau hoi, cau hoa, cao hoc
hieu va » hieu qua
quan xa » quan ha, quan va, quan cua
de cua » le cua, te cua, dieu cua
cua tu » cua tuc, cua su, cua cu

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: tu xach tay ((quang xa) OR (quan xa)) hoi. ((hieu va) OR (lieu va)) cau hoc va hanh de cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu xach tay ((quang xa) OR (quan xa)) hoi. ((hieu va) or (lieu va)) cau hoc va hanh de cua tu~".
• Adding a wildcard symbol may retrieve word variants: tu xach tay ((quang xa) OR (quan xa)) hoi. ((hieu va) or (lieu va)) cau hoc va hanh de cua tu*.