Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
bac thanh » ban thanh, cac thanh, tai thanh
tinh cua » trinh cua, tinh chat, tranh cua
sinh cua » manh cua, dinh cuu, sinh va
tac than » tac thanh, tam than, tac nhan
ho lieu » so lieu, co lieu, ho kieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh ((tinh cua) OR (sinh cua)) thong cong ((tac than) OR (bac thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - hanh ((tinh cua) OR (sinh cua)) thong cong ((tac than) or (bac thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh ((tinh cua) OR (sinh cua)) thong cong ((tac than) or (bac thanh)) cau*.