Perhaps you should try some spelling variations:
nhien cac » hien cac, thien cac, hieu cac
tu tieng » luc tieng, tu tuong, tu trong
vien cac » vien bach, vien dai, vien da
hanh van » thanh van, khanh van, hanh va
sach ky » sac ky, sach y, sach ty
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
ma hoi » mai hoi, xa hoi, ma hoa
van tu » van thu, van du, ban tu

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 ky nang ma hoi. thien ((nhien cac) or (vien cac)) ((xuc va) OR (tuc va)) hanh van tu tieng~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoi. thien ((nhien cac) OR (vien cac)) ((xuc va) OR (tuc va)) hanh van tu tieng.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ma hoi. thien ((nhien cac) or (vien cac)) ((xuc va) OR (tuc va)) hanh van tu tieng".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. thien ((nhien cac) or (vien cac)) ((xuc va) OR (tuc va)) hanh van tu tieng*.