Perhaps you should try some spelling variations:
hanh gian » thanh gian, thanh giang, manh giang
tao nano » tao nganh, cao nang, tao cao
gian cua » gian xu, ban cua
sach tao » sach dao, sach bao, sach tai
su sach » so sach, vu sach
xuc van » duc van, luc van, vuc van
dua ban » dia ban, cua ban, qua ban
cua tre » cua te, cuu tre, cua triet
nano xa » nano va, nano bac, nano cau
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cac, ve cai

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) OR (va cam)) ((xuc van) or (dua ban)) hanh gian cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tao nano xa hoi. hieu ((ve cam) OR (va cam)) ((xuc van) OR (dua ban)) hanh gian cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tao nano xa hoi. hieu ((ve cam) OR (va cam)) ((xuc van) or (dua ban)) hanh gian cua tre*".