Perhaps you should try some spelling variations:
tham thang » pham thang, thanh thang, pham thanh
sach tham » sach nha
thang ma » thang mua, tang ma, thang va
thuc dan » thuc hanh, hoc dan, thuc vat
tu sach » thu sach, su sach, te sach
truc va » thuc va, thuc vat, trung va
van dau » van dao, phan dau
cuu tre » cua tre, cau tren, cau treo
van cau » van hau, van chat, toan cau
ma hoi » mai hoi, xa hoi, ma hoa
vi cuu » vi luu, vinh cuu

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 tham thang ma hoi. hieu ((van cau) OR (van dau)) ((truc va) or (thuc dan)) hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tham thang ma hoi. hieu ((van cau) OR (van dau)) ((truc va) OR (thuc dan)) hanh vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tham thang ma hoi. hieu ((van cau) OR (van dau)) ((truc va) or (thuc dan)) hanh vi cuu tre*".