Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua khong » hua khong, cua phuong, cua thuong
thong dan » thong van, tuong dan, thong den
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
dan phan » doan phan, dan chan, van phan

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) OR (hieu manh)) - anh tang cua khong thong dan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - anh tang cua khong thong dan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - anh tang cua khong thong dan phan tu*.