Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
dung manh » duong manh, dung danh, hung manh
manh toan » thanh toan, anh tuan, tinh toan
hinh cua » chinh cua, sinh cua, tinh cua
van dung » van dong, xay dung, tin dung
toan cao » toan ban, toan tap
cua van » cua ban, cua vat, cua dan

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 sach) or (((chieu xanh) OR (hieu manh)))) - hanh hinh cua van dung manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((chieu xanh) OR (hieu manh)))) - hanh hinh cua van dung manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (((chieu xanh) OR (hieu manh)))) - hanh hinh cua van dung manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (((chieu xanh) OR (hieu manh)))) - hanh hinh cua van dung manh toan cao*.