Perhaps you should try some spelling variations:
khoan thanh » phan thanh, hoang thanh, khoa than
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh dung » thanh duong, thanh tung, thanh hung
dung trung » dung trong, quang trung, dung ung
hoan thanh » hoang thanh, ban thanh, van thanh
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung

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 xanh - thanh dung cua dung trung ((khoan thanh) OR (hoan thanh)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh dung cua dung trung ((khoan thanh) OR (hoan thanh)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh dung cua dung trung ((khoan thanh) OR (hoan thanh)) cao*.