Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh hang » thanh hang, hang hang, hanh mang
cua thong » cua thuong, cua khong, cua tong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
hanh han » hanh nhan, hanh phan, hanh san
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((hanh hang) OR (hanh han)) cua thong cong dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh hang) OR (hanh han)) cua thong cong dan than cao".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh hang) OR (hanh han)) cua thong cong dan than cao*.