Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
ncanh tinh » nhanh tinh, thanh tinh, hanh tinh
hoc thieu » toc thieu, hoc hien
canh tinh » hanh tinh, manh tinh, canh tranh
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, cong thanh
long tinh » trong tinh, luong tin, dong tin
toan cao » toan ban, toan tap

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 tinh) or (ncanh tinh)) cua nhung ((cong tinh) OR (long tinh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh tinh) OR (ncanh tinh)) cua nhung ((cong tinh) OR (long tinh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh tinh) or (ncanh tinh)) cua nhung ((cong tinh) OR (long tinh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh tinh) or (ncanh tinh)) cua nhung ((cong tinh) OR (long tinh)) toan cao*.