Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cua nhung » va nhung
sinh cua » manh cua, dinh cuu, sinh va
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan cau » toan cau, quan cau, tuan cu
toan ban » van ban

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 tinh - hanh sinh cua nhung ((cong van) OR (cong san)) ((tuan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh sinh cua nhung ((cong van) OR (cong san)) ((tuan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh sinh cua nhung ((cong van) OR (cong san)) ((tuan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh sinh cua nhung ((cong van) OR (cong san)) ((tuan cau) or (toan ban))*.