Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
toc chieu » toc thieu, doc hieu, hoc thieu
gian dan » gian lang
dat dung » dan dung, vat dung, da dung
dung dat » dung va, dung tai
dung lam » dung luan, dung tai, dung ha
dan dat » dong dat, dinh dat, dan hoat

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu tinh - gian dan dat dung ((dung dat) or (dung lam)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu tinh - gian dan dat dung ((dung dat) OR (dung lam)) phan tu.
• Adding a wildcard symbol may retrieve word variants: toc chieu tinh - gian dan dat dung ((dung dat) or (dung lam)) phan tu*.