Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, nhanh chong
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
va thong » va thuong, va phuong, he thong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: ho ((chieu sang) or (chiet tach)) - ((nhanh thang) OR (hanh trang)) va thong cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - ((nhanh thang) OR (hanh trang)) va thong cong van toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chiet tach)) - ((nhanh thang) OR (hanh trang)) va thong cong van toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - ((nhanh thang) OR (hanh trang)) va thong cong van toan cao*.