Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
trinh vat » trinh van, trinh luat, sinh vat
cong danh » cuong danh, cong dan, cong thanh
danh phan » doanh phan, danh nhan, danh phap
trinh va » trinh van, trinh ve, trinh vi
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) OR (toc thieu)) xanh - hanh ((trinh va) or (trinh vat)) nhung cong danh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - hanh ((trinh va) OR (trinh vat)) nhung cong danh phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) xanh - hanh ((trinh va) or (trinh vat)) nhung cong danh phan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) xanh - hanh ((trinh va) or (trinh vat)) nhung cong danh phan cau*.