Perhaps you should try some spelling variations:
truong cong » truong dong, truong long, truong chung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
vang tuan » van tuan, vong tuan, quang tuan
mang cua » manh cua, dung cua, ban cua
tuan tap » toan tap, tuan tai, tuyen tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (chieu xanh)) - cach mang cua ((truong cong) OR (trong cong)) vang tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - cach mang cua ((truong cong) OR (trong cong)) vang tuan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu xanh)) - cach mang cua ((truong cong) OR (trong cong)) vang tuan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - cach mang cua ((truong cong) OR (trong cong)) vang tuan tap*.