Perhaps you should try some spelling variations:
khong thong » thong thong, thong thuong, phong chong
thanh trung » thanh tung
khong trong » khoang trong, thong trong, phong trong
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
dan phan » doan phan, dan chan, van phan
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: ho chieu xanh - thanh trung cap ((khong thong) or (khong trong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung cap ((khong thong) OR (khong trong)) dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung cap ((khong thong) or (khong trong)) dan phan cau*.