Perhaps you should try some spelling variations:
thang thong » thong thong, hang thong, thang trong
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cong luan » tong luan, cong tuan, dong luan
luan hoan » luan van
hoc dien » hoc hien, hoc vien, hoc dieu
dien anh » tieng anh, dien dan
hoan tu » hoang tu, han tu, doan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dien anh - ((thanh trung) OR (thanh tung)) thang thong cong luan hoan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc dien anh - ((thanh trung) OR (thanh tung)) thang thong cong luan hoan tu".
• Adding a wildcard symbol may retrieve word variants: hoc dien anh - ((thanh trung) OR (thanh tung)) thang thong cong luan hoan tu*.