Perhaps you should try some spelling variations:
duong trong » dung trong
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua, manh cua
cua duong » cua dong, cua huong, qua duong
trong dan » trong dang, trong san, trong tan
ho chieu » theo chieu, hoc thieu, doi chieu
than cap » khan cap, thanh lap, thanh cac
phan cam » phan cac, phan cau, khoan cam

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 tinh - canh tranh cua duong trong dan ((than cap) or (phan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh tranh cua duong trong dan ((than cap) OR (phan cam)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tranh cua duong trong dan ((than cap) or (phan cam))*.