Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
nang hang » nang sang, hang hang, cang thang
thong dan » thong van, tuong dan, thong den
doi lieu » duoc lieu, doi chieu, du lieu
tung dan » dung dan, huong dan, trung dai
toan tap » toan ban
va dong » van dong, ha dong, xa dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - nang hang va dong ((thong dan) or (tung dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - nang hang va dong ((thong dan) OR (tung dan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - nang hang va dong ((thong dan) or (tung dan)) toan tap*.