Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu xanh » chieu sach, chieu sang, chieu tinh
tran thanh » ban thanh, van thanh, quan thanh
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tran » hanh trang, thanh tran, hanh tram
trinh han » trinh quan
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (chieu xanh)) - hanh tran thanh thong cong trinh han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (chieu xanh)) - hanh tran thanh thong cong trinh han tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu lang) or (chieu xanh)) - hanh tran thanh thong cong trinh han tap*.