Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hanh dung » thanh dung, hanh dong, manh dung
ho chieu » theo chieu, hoc thieu, doi chieu
anh dung » anh dong, anh huong, sach dung
san cay » san chay, san tay, xanh cay
cay cao » chay cao, cay co, tay cao

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