Perhaps you should try some spelling variations:
luong thanh » muong thanh, truong thanh, dong thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
luong van » luong va, duong van, luong vat
tinh cua » trinh cua, sinh cua, tinh chat
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - hanh tinh cua nhung ((luong van) or (luong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh tinh cua nhung ((luong van) OR (luong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh tinh cua nhung ((luong van) or (luong thanh)) toan cao*.