Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, che tinh
thanh tung » thanh cong
kieu tinh » lieu tinh, diep tinh, bien tinh
trong san » trong cac, cong san, dong san
tung qua » dung qua, tuong quan, trung quan
qua dung » quang dung, su dung, qua song
san chan » san chang, dan chan, san chay
chan tap » han tap, phan tap, chan ta

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((chieu tinh) OR (kieu tinh))) or (trieu tinh)) - thanh tung qua dung trong san chan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu tinh) OR (kieu tinh))) OR (trieu tinh)) - thanh tung qua dung trong san chan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu tinh) OR (kieu tinh))) or (trieu tinh)) - thanh tung qua dung trong san chan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu tinh) OR (kieu tinh))) or (trieu tinh)) - thanh tung qua dung trong san chan tap*.