Perhaps you should try some spelling variations:
dua tren » dung tren
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
lam cuc » lam cua, lam duoc, pham cuc
cuc ban » cua ban, cac ban, cuu ban
ban ban » ban banh, van ban, can ban
ma hoi » mai hoi, xa hoi, ma hoa
va lam » van lam, va lap
ban ve » ban va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang ma hoi. lieu va lam cuc ban ban ve ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ma hoi. lieu va lam cuc ban ban ve ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoi. lieu va lam cuc ban ban ve ((dua tren) or (cua te))*.