Perhaps you should try some spelling variations:
trinh viet » ninh viet, trinh vat
sach tham » sach nha
cuoc tuc » cuoi thuc, nuoc thuc, duoc tu
trong xu » thong xu, trong su, trong thu
vu sach » vu bach, su sach, vu khach
tinh vi » trinh vi, tinh voi, tinh va
ve cuoc » va cuoc, ve duoc, ve nuoc
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
cua tre » cua te, cuu tre, cua triet
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: vu sach tham ((tang xa) or (trong xu)) hoi. hieu ve cuoc tuc va ((tinh vi) or (trinh viet)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tham ((tang xa) OR (trong xu)) hoi. hieu ve cuoc tuc va ((tinh vi) OR (trinh viet)) cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach tham ((tang xa) or (trong xu)) hoi. hieu ve cuoc tuc va ((tinh vi) or (trinh viet)) cua tre*.