Perhaps you should try some spelling variations:
truong trung » tieng trung
thieu manh » hieu manh, tien manh, trieu minh
luong cac » luong cuoc, luong va, luong tai
trung dan » trung dai, tung dan, trung van
dung cac » dung cho, dung tai, dung cua
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu manh - thanh ((dung cac) or (luong cac)) truong trung dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - thanh ((dung cac) OR (luong cac)) truong trung dan than tap.
• Adding a wildcard symbol may retrieve word variants: toc thieu manh - thanh ((dung cac) or (luong cac)) truong trung dan than tap*.