Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
thi nhung » thi hong, thi huong, thi hang
cong ngan » cong ngang, cong nhan, dong ngan
thi nang » thi cong, thi hanh
hang cau » hang dau, hang ca, nhung cau
ki nang » ky nang

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 - thanh tung ((thi nhung) or (((thi nang) OR (ki nang)))) cong ngan hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh tung ((thi nhung) OR (((thi nang) OR (ki nang)))) cong ngan hang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh tung ((thi nhung) or (((thi nang) OR (ki nang)))) cong ngan hang cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh tung ((thi nhung) or (((thi nang) OR (ki nang)))) cong ngan hang cau*.