Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
thuong dam » thuong mai, huong dan, truong dai
hoc thieu » toc thieu, hoc hien
lap thong » lap trong, lap truong, phap thong
ap trong » gap trong, lap trong, a trong
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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 - thanh tung ((lap thong) or (ap trong)) thuong dam ((phan cac) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung ((lap thong) OR (ap trong)) thuong dam ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tung ((lap thong) or (ap trong)) thuong dam ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung ((lap thong) or (ap trong)) thuong dam ((phan cac) OR (phan dau))*.