Perhaps you should try some spelling variations:
dau tieng » dau tien, cau tieng, day tieng
tham thuc » nham thuc, pham thuc, tam thuc
cau tren » cu tren, dau tren, ca tren
thu sach » tu sach, thuat sach, thuoc sach
hoa lang » hoa dan, hoa van
thuc xa » thuc xay, tuc xa, thuc va
xa hanh » xa thanh, xa khanh, va hanh
hanh va » hang va, hanh vi
va tham » van tham, va cham, va thanh
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 tham thuc xa hanh va ((cau 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 tham thuc xa hanh va ((cau tren) OR (dau tieng)).
• Adding a wildcard symbol may retrieve word variants: thu sach ((o lang) or (hoa lang)) xa hoi. lieu va tham thuc xa hanh va ((cau tren) or (dau tieng))*.