Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
vang tuan » van tuan, vong tuan, quang tuan
tinh cua » trinh cua, sinh cua, tinh chat
tuan cao » toan cao, juan cao, quang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh tinh cua ((nhung cong) OR (thong cong)) vang tuan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh tinh cua ((nhung cong) OR (thong cong)) vang tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tinh cua ((nhung cong) OR (thong cong)) vang tuan cao*.