Perhaps you should try some spelling variations:
nang dau » hang dau, xang dau, nang du
te sach » toc sach
dau hoi » cau hoi, dai hoi, dan hoi
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
luu van » cuu van, luan van, luu hanh
hang de » hoang de, hanh de, hang di
cua tuc » cua duc, cua tu, cua thuoc
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang dau hoi. hieu ve cac ((xuc van) or (luu van)) hang de cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang dau hoi. hieu ve cac ((xuc van) OR (luu van)) hang de cua tuc.
• Adding a wildcard symbol may retrieve word variants: te sach y nang dau hoi. hieu ve cac ((xuc van) or (luu van)) hang de cua tuc*.