Perhaps you should try some spelling variations:
dua tren » dung tren
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
luc van » luoc van, luu van, duc van
xuc van » duc van, vuc van, xuc ban
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
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 ky sang ma hoa. hieu ve cham ((xuc van) OR (luc van)) hanh lai ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang ma hoa. hieu ve cham ((xuc van) OR (luc van)) hanh lai ((dua tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky sang ma hoa. hieu ve cham ((xuc van) OR (luc van)) hanh lai ((dua tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang ma hoa. hieu ve cham ((xuc van) OR (luc van)) hanh lai ((dua tren) or (cua te))*.