Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trung hoc » trung quoc
luong tap » cuong tap, luong tham, luong thai
luong tai » dung tai, luong va
trung ha » trung tam, trung cap
doan dau » doan dieu, phan dau, doan va

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 - hanh ((trung ha) or (trung hoc)) thang ((luong tap) OR (luong tai)) doan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trung ha) OR (trung hoc)) thang ((luong tap) OR (luong tai)) doan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trung ha) or (trung hoc)) thang ((luong tap) OR (luong tai)) doan dau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trung ha) or (trung hoc)) thang ((luong tap) OR (luong tai)) doan dau*.