Perhaps you should try some spelling variations:
sach tao » sach dao, sach bao, sach tai
tao nano » tao nganh, cao nang, tao cao
van hanh » van thanh, ban hanh, van anh
dua tren » dung tren
su sach » so sach, vu sach
nano xa » nano va, nano bac, nano cau
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tao nano xa hoi. hieu ve cam xuc van hanh va ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tao nano xa hoi. hieu ve cam xuc van hanh va ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach tao nano xa hoi. hieu ve cam xuc van hanh va ((dua tren) or (cuu tre))*.