Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
nang cong » nang song, dang cong, bang cong
tung cam » dung cam, trung cap, tung pham
ban thai » ban than, ban tai, ban thoi
ban thi » dan thi, van thi, can thi

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 tach - thanh tung cam nang cong ((ban thai) OR (ban thi)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - thanh tung cam nang cong ((ban thai) OR (ban thi)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - thanh tung cam nang cong ((ban thai) OR (ban thi)) cao*.