Perhaps you should try some spelling variations:
khung hoang » phuong hoang
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 tay, thanh tam
thanh tai » thanh hai, thanh toan, doanh tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot chieu sang - hanh trinh luat khung hoang van ((thanh tap) or (thanh tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sang - hanh trinh luat khung hoang van ((thanh tap) OR (thanh tai)).
• Adding a wildcard symbol may retrieve word variants: mot chieu sang - hanh trinh luat khung hoang van ((thanh tap) or (thanh tai))*.