Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
cua truong » cua trung, xuan truong, cac truong
manh hung » anh huong
hung cua » huong cua, chung cua, khung cua
tap quan » tac quan, hai quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) or (chiet tach)) - manh hung cua truong cong ((tap quan) or (tap doan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chiet tach)) - manh hung cua truong cong ((tap quan) OR (tap doan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chiet tach)) - manh hung cua truong cong ((tap quan) or (tap doan)) cau*.