Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
van hanh » van thanh, ban hanh, van anh
hanh tai » thanh tai, hang tai, han tai
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cac xuc » cam xuc, chat xuc, cac cuoc
cuc tuc » cua tuc, cuc thue
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach v nang ma hoi. hieu ve ((cac xuc) OR (cac nuoc)) van hanh tai cuc tuc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach v nang ma hoi. hieu ve ((cac xuc) OR (cac nuoc)) van hanh tai cuc tuc".
• Adding a wildcard symbol may retrieve word variants: toc sach v nang ma hoi. hieu ve ((cac xuc) OR (cac nuoc)) van hanh tai cuc tuc*.