Perhaps you should try some spelling variations:
khung hoang » phuong hoang
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
luat khung » luat chung, luat thuong, luan chung
hoang van » hang va
thanh tap » thanh lap, thanh tai, thanh tay
thanh hai » thanh phan, thanh hoa, thanh san

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 trinh luat khung hoang van ((thanh tap) or (thanh hai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh trinh luat khung hoang van ((thanh tap) OR (thanh hai)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh trinh luat khung hoang van ((thanh tap) or (thanh hai))*.