Perhaps you should try some spelling variations:
thien chieu » thien chien, thien hieu, thien nhien
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua khong, cua tong
manh cua » doanh cua, ban cua
cong van » cong vang, cong san, song van
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien chieu sang - hanh manh cua thong cong van ((than tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien chieu sang - hanh manh cua thong cong van ((than tap) OR (phan tap)).
• Adding a wildcard symbol may retrieve word variants: thien chieu sang - hanh manh cua thong cong van ((than tap) or (phan tap))*.