Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trong » hanh trang, anh trong, chinh trong
hinh trong » chinh trong, dinh trong, sinh trong
dong thanh » truong thanh
hoc thieu » toc thieu, hoc hien
luan nang » luan van, van nang, luan san
nang dong » nang song, lang dong, nang luong
toan ban » van ban

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 trong) OR (hinh trong)) luan nang dong thanh ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trong) OR (hinh trong)) luan nang dong thanh ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh trong) OR (hinh trong)) luan nang dong thanh ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trong) OR (hinh trong)) luan nang dong thanh ((toan tap) or (toan ban))*.