Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
canh tinh » hanh tinh, manh tinh, canh tranh
cong tac » cong ty
tac pham » thuc pham, san pham
pham cac » phan cac, pham ca, pham can
tinh va » tich va, trinh van, trinh vat

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 (hoc hien)) xanh - canh tinh va nhung cong tac pham cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) xanh - canh tinh va nhung cong tac pham cac".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) xanh - canh tinh va nhung cong tac pham cac*.