Perhaps you should try some spelling variations:
dau tieng » dau tien, cau tieng, day tieng
dau tren » dau tien, dat tren, dau trong
cham tuc » nham thuc, pham thuc, tham thuc
thu sach » tu sach, thuat sach, thuoc sach
hoa lang » hoa dan, hoa van
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
va cham » va chat, va tham
tuc va » thuc va, truc va, tuc xa
o lang » hoi lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((o lang) or (hoa lang)) xa hoi. lieu va cham tuc va hanh va ((dau tren) or (dau tieng))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((o lang) OR (hoa lang)) xa hoi. lieu va cham tuc va hanh va ((dau tren) OR (dau tieng)).
• Adding a wildcard symbol may retrieve word variants: thu sach ((o lang) or (hoa lang)) xa hoi. lieu va cham tuc va hanh va ((dau tren) or (dau tieng))*.