Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hoang cua » hang cua, hoang xuan, hoang tuan
hoan cua » hoa cua, toan cua, han cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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 - anh ((hoang cua) OR (hoan cua)) nhung ((cong tan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh ((hoang cua) OR (hoan cua)) nhung ((cong tan) OR (cong san)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - anh ((hoang cua) OR (hoan cua)) nhung ((cong tan) or (cong san)) toan cao*".