Perhaps you should try some spelling variations:
tinh thai » sinh thai, tinh chat
cau tren » cu tren, dau tren, ca tren
cham tuc » nham thuc, pham thuc, tham thuc
cau treo » cau theo, cau triet, cau trieu
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
tuc va » thuc va, truc va, tuc xa

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 ty hang xa hoi. hieu ve cham tuc va ((tinh thai) or (tinh toan)) ((cau treo) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty hang xa hoi. hieu ve cham tuc va ((tinh thai) OR (tinh toan)) ((cau treo) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty hang xa hoi. hieu ve cham tuc va ((tinh thai) or (tinh toan)) ((cau treo) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty hang xa hoi. hieu ve cham tuc va ((tinh thai) or (tinh toan)) ((cau treo) OR (cau tren))*.