Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
thanh doan » thanh toan, thinh doan, thanh loan
phuong van » phung van, phong van, phuong lan
ban tai » van tai, han tai, ban thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) or (chieu sach)) - hanh trung thanh doan phuong van ban tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu sach)) - hanh trung thanh doan phuong van ban tai.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu sach)) - hanh trung thanh doan phuong van ban tai*.