Perhaps you should try some spelling variations:
hanh gian » thanh gian, thanh giang, manh giang
sach tao » sach dao, sach bao, sach tai
tao nano » tao nganh, cao nang, tao cao
su sach » so sach, vu sach
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
dua ban » dia ban, cua ban, qua ban
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
nano xa » nano va, nano bac, nano cau
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) or (dua ban)) hanh gian ((cua tre) 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) OR (dua ban)) hanh gian ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tao nano xa hoi. hieu ve cam ((xuc van) or (dua ban)) hanh gian ((cua tre) OR (cuu tre))*".