Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
tong song » tong cong, song song, dong song
cua tong » cua cong, cua dong, cua nong
song van » hoang van, trong van, duong van
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - canh tranh cua tong song van ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua tong song van ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua tong song van ((phan cau) or (phan cac))*.