Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
hanh truong » hanh trong, anh truong, manh truong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chieu sang, hieu cach
trong tinh » truong tinh, trong kinh, trong sinh
quan dung » quang dung, quan duong, qua dung
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 xanh) or (((chieu sach) OR (chiet tach)))) - hanh truong quan dung trong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (((chieu sach) OR (chiet tach)))) - hanh truong quan dung trong tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (((chieu sach) OR (chiet tach)))) - hanh truong quan dung trong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (((chieu sach) OR (chiet tach)))) - hanh truong quan dung trong tinh toan cao*.