Perhaps you should try some spelling variations:
dang xay » dang van, van xay
xach tay » canh tay
cac tuc » cac toc, cac tu, cac tac
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach ty
cuu tre » cua tre, cau tren, cau treo
tuc va » thuc va, truc va, tuc xa
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((xach tay) or (sach tu)) ((nang xa) or (dang xay)) hoi. lieu va cac tuc va dan vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xach tay) OR (sach tu)) ((nang xa) OR (dang xay)) hoi. lieu va cac tuc va dan vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su ((xach tay) or (sach tu)) ((nang xa) or (dang xay)) hoi. lieu va cac tuc va dan vi cuu tre*.